Telephone set



FIG. 1 is a front elevational view of the telephone set, showing my new design;

FIGS. 2 and 3 are left and right side elevational views thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a front perspective view of the telephone set, showing my new design. 

The ornamental design for a telephone set, as shown. 